Colour

#B00015

#B00015
Red
Dark
Nearest: Firebrick

#B00015 is a red with RGB values 176, 0, 21 and HSL 353°, 100%, 35%. It is a dark colour, so white text on it reaches 7.4:1 contrast (AAA for normal text). The nearest named colour is Firebrick.

Colour values

#B00015#B00015

HEX#B00015

RGBrgb(176, 0, 21)

RGB (0–1)0.6902, 0, 0.0824

RGB percentages69%, 0%, 8.2%

HSLhsl(352.8, 100%, 34.5%)

HSV / HSBhsv(352.8, 100%, 69%)

CMYK0%, 100%, 88.1%, 31%≈naive device-independent conversion; real print needs an ICC profile

24-bit integer11,534,357

CSS custom property--colour: #B00015;

Brightness & contrast

Relative luminance0.09284WCAG 2.x, 0 is black and 1 is white

Perceived brightness96.5 of 255ITU-R BT.601 weighting

Light or darkDark

Best text colour on this backgroundWhitecontrast 7.35:1

Contrast with white7.35:1WCAG normal text: AAA

Contrast with black2.86:1WCAG normal text: Fail

Greyscale equivalent#272727

Inverted#4FFFEA

Colour vision & accessibility

Normal vision Protanopia Deuteranopia Tritanopia

Protanopia#483F12no red cones; affects about 1% of men; ΔE 65.5 from the original

Deuteranopia#6F6207no green cones; the most common form, about 1% of men; ΔE 65.4 from the original

Tritanopia#C3000Eno blue cones; rare, and affects men and women equally; ΔE 10.1 from the original

Distinguishable without hueShifts in lightness toonever rely on hue alone to carry meaning

Contrast with white, large text7.35:1WCAG large text: AAA

Contrast with black, large text2.86:1WCAG large text: Fail

Named colours

Firebrick · ΔE 7.2 Dark red · ΔE 13.1 Brown · ΔE 16.1 Crimson · ΔE 16.8 Maroon · ΔE 17.4 Tomato · ΔE 26.2

Nearest named CSS colourFirebrick (#B22222)ΔE 7.17, clearly different but related

Hue familyred

CSS keyword usableNo exact keyword

Colour harmonies

base +30°+90°+120°+180°+210°+240°+270°+330°

Complementary#00B09B

Analogous#B0006D, #B04300

Triadic#15B000, #0015B0

Split complementary#00B043, #006DB0

Tetradic#6DB000, #00B09B, #4300B0

Tints, shades & saturation

+40%+30%+20%+10%base -10%-20%-30%-40%

Lighter +40%#FF7D8D

Lighter +30%#FF4A60

Lighter +20%#FF1733

Lighter +10%#E3001B

Darker −10%#7D000F

Darker −20%#4A0009

Darker −30%#170003

Darker −40%#000000

More saturated +25%#B00015

Less saturated −25%#9A1626

Channel breakdown

R176

B21

Red176 (69%)

Green0 (0%)

Blue21 (8.2%)

Hue352.84°

Saturation (HSL)100%

Lightness34.51%

Dominant channelRed

Hex per channelR B0 · G 00 · B 15

Keep nerding

Every link below is a page Nerdulator can generate from what it already knows about this value.

#B00015

Colour values

Brightness & contrast

Colour vision & accessibility

Named colours

Colour harmonies

Tints, shades & saturation

Channel breakdown

Keep nerding

Harmonies

Lighter and darker

Similar named colours

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